Prohexadione-Calcium 15% WP

Item	Specification
Product Name	Prohexadione-Calcium 15% WP Plant Growth Regulator
Active Ingredient	Prohexadione-Calcium
CAS No.	127277-53-6
Molecular Formula	C10H10CaO5
Molecular Weight	250.26
Content	15%
Formulation Type	WP, Wettable Powder
Product Category	Plant Growth Regulator
PGR Type	Gibberellin biosynthesis inhibitor
Main Function	Vegetative growth control, shoot-growth suppression, canopy management, crop structure regulation
Main Crop Direction	Apple, pear, cherry, strawberry, peanut, grass grown for seed, watercress, and high-value crops where locally approved
Application Position	Growth-control PGR for registered orchard and crop structure management programs
Response Boundary	Crop response depends on crop type, variety, growth stage, shoot length, crop vigor, weather, nutrition, water status, timing, dosage, and approved label directions
Supply Direction	SunAgro branded product for registration, import, and distribution cooperation
Document Support	COA, SDS / MSDS, TDS, product specification, sample support, formulation information, batch quality information, safety information, and available registration-related documents
Cooperation Direction	Local registration review, import cooperation, orchard growth-control program review, and long-term distribution development

Main Functions

Prohexadione-Calcium 15% WP is mainly positioned for growth-control programs where excessive vegetative growth, long shoots, dense canopy, and crop structure management are important.

It is not a fertilizer, fungicide, bactericide, or general growth promoter.

Vegetative Growth Control

Prohexadione-Calcium 15% WP can support vegetative growth control programs where locally approved.

This is the core product direction. It should focus on controlling excessive shoot growth, not promoting general plant growth.

Shoot-Growth Suppression

Prohexadione-Calcium is commonly used in fruit tree programs to reduce shoot extension and manage crop vigor.

This direction is especially relevant for orchards where fast shoot growth increases pruning workload, canopy density, and management pressure.

Canopy Management

By reducing excessive shoot extension, Prohexadione-Calcium 15% WP can support better canopy balance where locally approved.

This direction is relevant for orchards where dense canopy affects light penetration, airflow, spray coverage, pruning efficiency, and fruit management.

Orchard and High-Value Crop Structure Regulation

The product can be reviewed for apple, pear, cherry, strawberry, peanut, grass grown for seed, watercress, and other registered high-value crop programs.

Final crop scope and claims must follow local registration.

Fire Blight Program Boundary

Prohexadione-Calcium may be discussed in some apple fire blight management programs because reduced shoot growth can reduce shoot susceptibility.

However, it should not be positioned as a bactericide, antibiotic, or direct fire blight control product. It does not replace registered disease-control programs.

Mode of Action and Growth-Control Value

Prohexadione-Calcium 15% WP belongs to the gibberellin biosynthesis inhibitor direction.

Gibberellin Biosynthesis Inhibition

Prohexadione-Calcium acts by inhibiting gibberellin biosynthesis.

This helps reduce excessive vegetative growth and supports more manageable shoot growth and canopy structure where crop and label conditions are suitable.

Vegetative Growth and Canopy Balance

The product should be positioned around growth control, canopy balance, shoot management, orchard structure, and crop architecture.

It should not be written as a generic growth promoter or universal growth retardant.

Apple Shoot Growth and Vigor Control

Apple is one of the clearest crop directions for Prohexadione-Calcium.

For apple orchard programs, the product can be reviewed for shoot-growth suppression, vigor control, canopy balance, and orchard management where local registration supports use.

Response Boundary

Crop response is not automatic.

Final response can vary by crop species, variety, growth stage, shoot length, tree vigor, crop load, weather, nutrition, water status, application timing, dosage, treatment method, and approved local label directions.

Incorrect, excessive, or off-label use may cause unwanted crop response, including excessive growth reduction, poor shoot development, crop stress, weak fruit response, or inconsistent canopy effect.

Application Areas

Prohexadione-Calcium 15% WP is positioned for registered vegetative growth control, shoot-growth suppression, canopy management, and crop structure regulation programs.

Application Direction	Practical Positioning
Apple orchards	Shoot-growth suppression, vigor control, canopy management
Pear orchards	Vegetative growth control and orchard structure review direction
Cherry orchards	Compact growth and crop structure management where locally approved
Strawberry	Vegetative growth regulation in approved crop programs
Peanut	Growth-management review direction where local registration supports use
Grass grown for seed	Specialized growth-control program direction
Watercress	Specialized registered use direction where locally approved
Orchard crop distributors	Portfolio direction for growth-control PGR products
Agricultural retailers	Suitable product category for registered PGR channels
Registration companies	Review direction for Prohexadione-Calcium local registration planning

This product should not be promoted as suitable for all crops, all fruit trees, or every growth-control situation.

Actual crop scope, treatment method, dosage, dilution, timing, residue requirement, safety requirement, and restrictions must follow approved local label claims.

Suitable Crops and Use Scenarios

Apple and Pear Orchards

Apple and pear orchards are the clearest positioning directions for Prohexadione-Calcium 15% WP.

The product can be reviewed for shoot-growth suppression, vigor control, canopy balance, light penetration, airflow, and spray access where local registration supports use.

Cherry and Other Fruit Tree Programs

Cherry and other fruit tree programs can be reviewed where compact growth and orchard structure management are important.

Strawberry and Peanut Programs

Strawberry and peanut can be included as registered crop directions only where local labels support use.

The content should not imply that Prohexadione-Calcium 15% WP is broadly suitable for all field crops.

Grass Grown for Seed and Watercress

Grass grown for seed and watercress are specialized crop directions.

They should be written as specialized registered programs, not as broad global recommendations.

Local Market Application Review

Before registration planning or import cooperation, local partners should review:

• Target crop
• Growth-control objective
• Shoot length or crop vigor level
• Crop growth stage
• Canopy density
• Pruning or canopy-management requirement
• Fruit quality target
• Local PGR registration status
• Application timing
• Dosage and dilution range
• Treatment method
• Crop stress condition
• Nutrition and water condition
• Local residue and safety requirements
• Distributor portfolio position

This helps confirm whether Prohexadione-Calcium 15% WP fits the target orchard, crop structure, and local PGR channel.

Application Guidance

Prohexadione-Calcium 15% WP must be used according to local registration and approved label directions.

General review points include:

• Use only where locally registered
• Confirm approved crop before promotion or application
• Confirm registered use purpose: vegetative growth control, shoot suppression, canopy management, or crop structure regulation
• Confirm crop growth stage and shoot length
• Confirm crop vigor and pruning strategy
• Confirm application timing according to approved local label
• Confirm dilution, dosage, treatment method, and application frequency
• Review weather, crop stress, nutrition, and water status before use
• Avoid excessive or off-label use
• Do not position as a fertilizer or fungicide
• Do not promote as a universal growth-retardant product
• Review local residue, safety, and handling requirements
• Follow local storage, transport, and registration rules

Final crop scope, target claim, dosage, dilution, treatment method, timing, interval, residue requirement, safety requirement, and use restriction must follow local registration and approved label directions.

WP Formulation Features

WP means wettable powder. Prohexadione-Calcium 15% WP is a dry powder formulation designed to disperse in water and be used according to approved local label directions.

The technical value of WP formulation is mainly reflected in wetting performance, suspension behavior, powder quality, active ingredient consistency, and batch stability.

Key formulation features include:

• Wettable powder formulation
• 15% active ingredient concentration
• Higher-concentration powder route
• Powder appearance control
• Wetting performance
• Suspension behavior
• Fineness control
• Active ingredient consistency
• Moisture protection
• Caking prevention
• Batch consistency
• Packaging sealing
• Storage stability
• Batch traceability

For registration review, import cooperation, and distribution planning, WP formulation quality should be evaluated through product specification, sample support, formulation information, and batch quality confirmation.

Product Advantages

Clear Growth-Control PGR Direction

Prohexadione-Calcium 15% WP has a clear growth-control story.

It is easier to position than vague PGR products because its main value is vegetative growth control, shoot-growth suppression, and canopy management.

Gibberellin Biosynthesis Inhibitor

The product belongs to the gibberellin biosynthesis inhibitor direction.

15% WP Higher-Concentration Powder Route

The 15% WP formulation gives local partners a higher-concentration wettable powder option.

This should be written as formulation and product-line value, not as packaging customization value.

Orchard Canopy Management Value

The product is especially relevant for fruit tree programs where excessive shoot growth, dense canopy, pruning workload, airflow, and spray access are practical management concerns.

Clear Use Boundary

Crop response depends on crop type, variety, shoot length, crop vigor, timing, dosage, weather, nutrition, water status, and approved label directions.

This clarity helps local partners avoid overpromising shoot suppression, pruning reduction, canopy improvement, or yield results.

SunAgro Branded Supply Direction

SunAgro Science supplies this SunAgro branded plant growth regulator for local registration, import, orchard growth-control program review, and distribution cooperation.

Difference Between Prohexadione-Calcium 15% WP and Prohexadione-Calcium 10% WDG

Prohexadione-Calcium 15% WP and Prohexadione-Calcium 10% WDG contain the same active ingredient, but their content and formulation type are different.

Item	Prohexadione-Calcium 15% WP	Prohexadione-Calcium 10% WDG
Active Ingredient	Prohexadione-Calcium	Prohexadione-Calcium
Content	15%	10%
Formulation	WP, wettable powder	WDG, water-dispersible granule
Main Position	Higher-concentration traditional powder route	Granule formulation with lower dust and easier handling direction
Identity	15% WP growth-control PGR	10% WDG growth-control PGR

15% WP should focus on higher-concentration wettable powder value, while 10% WDG should focus on granule handling and water-dispersible formulation value.

Difference Between Prohexadione-Calcium 15% WP and Prohexadione-Calcium 15% WDG

Prohexadione-Calcium 15% WP and Prohexadione-Calcium 15% WDG have the same active content, but the formulation route is different.

Item	Prohexadione-Calcium 15% WP	Prohexadione-Calcium 15% WDG
Content	15%	15%
Formulation	WP	WDG
Handling Direction	Traditional wettable powder	Water-dispersible granule
Dust Consideration	Higher dust concern than granules	Lower dust direction compared with WP
Identity	Traditional powder formulation	Granule formulation with improved handling direction

Difference Between Prohexadione-Calcium 15% WP and Prohexadione-Calcium TC

Prohexadione-Calcium 15% WP and Prohexadione-Calcium TC are different product types.

Item	Prohexadione-Calcium 15% WP	Prohexadione-Calcium TC
Product Type	Finished formulation	Technical material
Direct Use	According to approved local label	Not recommended
Main Position	Registered growth-control PGR	Downstream formulation development
Buyer Type	Importers, distributors, registration companies	Formulation manufacturers, importers, registration companies
Identity	Finished 15% WP product	Technical material sourcing

Crop Response, Safety, and Use Precautions

Prohexadione-Calcium is a plant growth regulator. Crop response may vary by crop species, variety, growth stage, shoot length, crop vigor, environmental condition, nutrition, water status, treatment method, and dosage.

Crop response may be affected by:

• Crop species
• Fruit tree variety
• Crop growth stage
• Shoot length
• Tree vigor
• Canopy density
• Crop load
• Pruning strategy
• Nutrition level
• Water status
• Temperature
• Sunlight
• Application timing
• Dosage and dilution
• Treatment method
• Local label restrictions

This product should not be promoted as safe for all crops, suitable for every growth-control situation, or guaranteed to reduce shoot growth, improve canopy structure, control fire blight, or improve yield.

Incorrect, excessive, or off-label use may cause unwanted crop response, including excessive growth suppression, crop stress, poor shoot development, weak fruit response, or inconsistent canopy effect.

Final crop scope, target claim, dosage, dilution, treatment method, timing, interval, residue requirement, safety requirement, and use restriction must follow local registration and approved label directions.

Storage and Transport

Prohexadione-Calcium 15% WP should be stored in a cool, dry, and well-ventilated place.

Storage and transport points include:

• Keep containers tightly closed
• Avoid moisture exposure
• Avoid direct sunlight
• Avoid excessive heat
• Prevent caking during storage
• Protect powder appearance
• Keep away from food, feed, and drinking water
• Store away from children and unauthorized users
• Follow local chemical storage and transport regulations

Before distribution, product condition, batch information, powder appearance, sealing, and package integrity should be checked according to quality and supply requirements.

Registration, Document, and Supply Support from SunAgro

SunAgro Science provides Prohexadione-Calcium 15% WP with available documents and supply support for local registration, import, orchard growth-control program review, and distribution cooperation.

Available support may include:

• COA
• SDS / MSDS
• TDS
• Product specification
• Sample support
• Formulation information
• Batch quality confirmation
• Safety information
• PGR use direction information
• Growth-control program information
• Canopy management program information
• Crop response information
• Label information
• Packing information
• Export document coordination
• Available registration-related technical files

This support helps local partners evaluate product feasibility before registration planning, import cooperation, orchard growth-control program review, and distribution development.

Stable Supply Behind SunAgro Branded Products

SunAgro branded products are supported by strong formulation production and quality control capability.

Our production system covers liquid formulations including SC, SL, FS, EC, EW, CS, OF, and ULV, and solid formulations including WDG, WSG, WP, TB, DP, and GR.

Annual production capacity reaches 15,000 kiloliters for liquid formulations and 20,000 tons for solid formulations, supporting long-term supply for registered SunAgro products and local distribution cooperation.

FAQ

What is Prohexadione-Calcium 15% WP?

Prohexadione-Calcium 15% WP is a plant growth regulator in wettable powder formulation.

It is mainly positioned for registered vegetative growth control, shoot-growth suppression, canopy management, and crop structure regulation programs.

What is this plant growth regulator mainly used for?

It is mainly used for growth-control programs where local registration supports use.

Common review directions include orchard vigor control, shoot-growth suppression, canopy management, and crop structure regulation.

Is Prohexadione-Calcium 15% WP a fertilizer?

No. It is not a fertilizer.

It is a plant growth regulator and does not supply plant nutrients.

How does Prohexadione-Calcium work?

Prohexadione-Calcium works as a gibberellin biosynthesis inhibitor.

Its practical value is reducing excessive vegetative growth and supporting more manageable shoot growth and canopy structure where locally approved.

Is this product mainly for growth control or growth promotion?

It is mainly for growth control.

It should not be positioned as a general growth promoter.

What crops can be reviewed for this product?

Local partners can review apple, pear, cherry, strawberry, peanut, grass grown for seed, watercress, and other high-value crop programs where local registration supports use.

Final crop scope must follow approved local label directions.

Can it be used on all fruit trees?

No. It should not be promoted for all fruit trees.

Crop scope, use area, treatment method, dosage, timing, and restrictions must follow approved local label directions.

Does it guarantee shoot-growth control?

No. Crop response depends on crop type, variety, growth stage, shoot length, crop vigor, weather, nutrition, water status, application timing, dosage, and treatment method.

This product should not be promoted as a guaranteed shoot-growth control solution.

Can it control fire blight directly?

No. Prohexadione-Calcium should not be promoted as a bactericide, antibiotic, or direct fire blight control product.

It may be discussed in some orchard programs because growth control can affect shoot susceptibility, but it does not directly kill fire blight bacteria.

What does WP mean in this product?

WP means wettable powder.

It is a dry powder formulation designed to disperse in water and be used according to approved local label directions.

How is Prohexadione-Calcium 15% WP different from 10% WDG?

Prohexadione-Calcium 15% WP is a 15% wettable powder formulation.

Prohexadione-Calcium 10% WDG is a 10% water-dispersible granule formulation. The difference is mainly content level and formulation type.

How is Prohexadione-Calcium different from Paclobutrazol?

Both are growth-control PGR directions, but they are different active ingredients.

Prohexadione-Calcium is mainly positioned for shoot-growth suppression and canopy management programs. Paclobutrazol products may have stronger growth-retardant positioning depending on formulation, crop scope, and approved label directions.

How is Prohexadione-Calcium 15% WP different from 6-BA 2% SP?

Prohexadione-Calcium 15% WP is a gibberellin biosynthesis inhibitor for growth control and canopy management.

6-BA 2% SP is a cytokinin-type PGR for cell division, bud activity, branching, and shoot development.

Can SunAgro Science support registration review for this product?

Yes. SunAgro Science supplies SunAgro branded Prohexadione-Calcium 15% WP for local registration, import, orchard growth-control program review, and distribution cooperation.

Available support may include product specifications, sample support, formulation information, crop response information, batch quality information, and available registration-related technical files.

Request Prohexadione-Calcium 15% WP Product Details

Looking for a SunAgro branded growth-control plant growth regulator in WP formulation for local registration, import, and distribution?

SunAgro Science supplies Prohexadione-Calcium 15% WP for partners who need a vegetative growth control, shoot-growth suppression, canopy management, and crop structure regulation PGR direction for registered orchard and high-value crop programs.

Share your target country, crop market, target use direction, registration plan, formulation preference, crop response requirement, and cooperation direction. Our team will help you review product specifications, sample availability, available documents, registration feasibility, formulation suitability, application direction, and supply planning.

Contact SunAgro Science to discuss Prohexadione-Calcium 15% WP product cooperation.